import java.util.Scanner;
public class Demo1
{
	public static void main(String[] args){
		byte money;
   		System.out.println("hello world");
		Scanner s = new Scanner(System.in);
		money=s.nextByte();
		if(money>=100)
		{
			System.out.println("coffee");
		}else{
			System.out.println("java");
			}
	}


}
